A1 Alpha vs Celkon A9 Dual

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    A9 Dual: 34 g lighter

    Alpha:
    150 g
    A9 Dual:
    116 g
  • Width

    A9 Dual: 11.9 mm narrower

    Alpha:
    75.8 mm
    A9 Dual:
    63.9 mm
  • Screen diagonal

    A9 Dual: 2.76 in smaller diagonal

    Alpha:
    6.26 in
    A9 Dual:
    3.5 in
  • Rear camera layout

    Alpha:
    Dual
    A9 Dual:
    Single
  • Depth

    Alpha: 2.5 mm thinner

    Alpha:
    8.1 mm
    A9 Dual:
    10.6 mm
  • Height

    A9 Dual: 31.2 mm shorter

    Alpha:
    151.7 mm
    A9 Dual:
    120.5 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Alpha

    Height:
    151.7 mm +31.2 mm versus A9 Dual
    Width:
    75.8 mm +11.9 mm versus A9 Dual
    Depth:
    8.1 mm
  2. 2. A9 Dual

    Height:
    120.5 mm
    Width:
    63.9 mm
    Depth:
    10.6 mm +2.5 mm versus Alpha

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Alpha

    150 g

    +34 g versus A9 Dual

  2. 2. A9 Dual

    116 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. A9 Dual

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Alpha has approximately 168.2% more rectangular screen area than A9 Dual.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Alpha, A9 Dual, compared at the same storage capacity.
StorageAlphaA9 Dual
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
A9 Dual: Original memory entry

512 MB · 256 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. A9 Dual

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Alpha

    3200 mAh

    +1850 mAh versus A9 Dual

  2. 2. A9 Dual

    1350 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Alpha2. A9 Dual

Everyday essentials
Everyday essentials — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 120.5 Х 63.9 Х 10.6 mm
Weight
  • 150 g
  • 116 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Unisoc SC9863A (28nm)
Unknown
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.8 cm2
  • 36.5 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 82.1%
  • 47.4%
PPI /points per inch/
  • 269 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Rear camera, main
  • 13 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 2 MP
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • VGA
Performance
Performance — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Dual-core 1.0 GHz
Graphics processor GPU
  • IMG8322
Unknown
General specs
General specs — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Release date
  • 2019
  • August
  • 2014
Colors
  • Black
  • Green
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Music and Audio
Music and Audio — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, A9 Dual.
SpecificationAlphaA9 Dual
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer